<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width= , initial-scale=1.0">
    <style>
        * {
            padding: 0%;
            margin: auto;
        }
    </style>
    <title>登录界面</title>
</head>

<body>
    <iframe src="main.html" frameborder="0" width="100%" height="260px;"></iframe>
    <div style="width: 100%;">
        <div style="background-image: url('D:/Desktop/images/login_bg.jpg'); width:960px;height: 388px;">
        </div>
    </div>
</body>

</html>